SQL-DATABASE ERROR

Database error in WoltLab Burning Board: Link-ID == false, connect failed
mysql error: The server requested authentication method unknown to the client
mysql error number: 2054
Date: 19.04.2024 @ 00:00
Script: /board/usercp.php?action=favorites&sid=2daf1da93a29612b290673186876ef40
Referer: